EP1081871A4 - Funkendgerät - Google Patents

Funkendgerät

Info

Publication number
EP1081871A4
EP1081871A4 EP99961470A EP99961470A EP1081871A4 EP 1081871 A4 EP1081871 A4 EP 1081871A4 EP 99961470 A EP99961470 A EP 99961470A EP 99961470 A EP99961470 A EP 99961470A EP 1081871 A4 EP1081871 A4 EP 1081871A4
Authority
EP
European Patent Office
Prior art keywords
radio terminal
radio
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99961470A
Other languages
English (en)
French (fr)
Other versions
EP1081871A1 (de
Inventor
Kenji Itoh
Hiroaki Nagano
Takatoshi Katsura
Shinjirou Fukuyama
Mitsuru Mochizuki
Yoshinori Matsunami
Mitsuhiro Shimozawa
Fumio Ishizu
Ryoji Hayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1081871A1 publication Critical patent/EP1081871A1/de
Publication of EP1081871A4 publication Critical patent/EP1081871A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1408—Balanced arrangements with diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
EP99961470A 1999-02-24 1999-12-28 Funkendgerät Withdrawn EP1081871A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP83099 1999-02-24
JP9900830 1999-02-24
PCT/JP1999/007396 WO2000051251A1 (fr) 1999-02-24 1999-12-28 Terminal de radiocommunication

Publications (2)

Publication Number Publication Date
EP1081871A1 EP1081871A1 (de) 2001-03-07
EP1081871A4 true EP1081871A4 (de) 2004-06-23

Family

ID=14235004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99961470A Withdrawn EP1081871A4 (de) 1999-02-24 1999-12-28 Funkendgerät

Country Status (5)

Country Link
US (1) US7054610B1 (de)
EP (1) EP1081871A4 (de)
JP (1) JP3893245B2 (de)
CN (1) CN1146122C (de)
WO (1) WO2000051251A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7050778B1 (en) * 2000-09-18 2006-05-23 Broadcom Corporation Direct conversion turner
US6839551B1 (en) * 2001-05-21 2005-01-04 National Semiconductor Corporation Radio frequency mixer and method of operation
US7164902B2 (en) * 2001-11-01 2007-01-16 Sharp Kabushiki Kaisha Filter-integrated even-harmonic mixer and hi-frequency radio communication device using the same
US7558607B2 (en) * 2002-06-12 2009-07-07 Nokia Corporation Mobile electronic device having audio connector providing an antenna function
WO2004100354A1 (en) * 2003-05-07 2004-11-18 Koninklijke Philips Electronics N. V. Receiver front-end with low power consumption
JP2005094502A (ja) * 2003-09-18 2005-04-07 Matsushita Electric Ind Co Ltd 受信回路
US7103779B2 (en) 2003-09-18 2006-09-05 Apple Computer, Inc. Method and apparatus for incremental code signing
JP3686074B1 (ja) 2004-02-23 2005-08-24 シャープ株式会社 無線受信回路および無線携帯機器
KR100617139B1 (ko) * 2004-12-07 2006-08-31 엘지전자 주식회사 이동통신 단말기의 주파수 직접변환 수신기 및 이를이용한 주파수 직접변환방법
JP2007107987A (ja) * 2005-10-13 2007-04-26 Pacific Ind Co Ltd タイヤ状態監視装置
JP5242463B2 (ja) * 2009-03-11 2013-07-24 株式会社京三製作所 雷サージ保護装置
US8891707B2 (en) * 2009-09-21 2014-11-18 Mediatek Inc. Receiving device and method thereof
WO2011077617A1 (ja) * 2009-12-21 2011-06-30 日本電気株式会社 無線通信装置、送信機および無線通信方法
JP5699807B2 (ja) * 2011-05-27 2015-04-15 三菱電機株式会社 高周波スイッチ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471665A (en) * 1994-10-18 1995-11-28 Motorola, Inc. Differential DC offset compensation circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61169030A (ja) * 1985-01-22 1986-07-30 Nec Corp 受信回路
JP3252639B2 (ja) 1995-03-03 2002-02-04 三菱電機株式会社 検波器及び受信装置並びに送信装置
JPH09191264A (ja) * 1996-01-08 1997-07-22 Mitsubishi Electric Corp 送受信装置、受信装置、通信システムおよび受信部評価装置
JPH1022860A (ja) 1996-06-27 1998-01-23 Matsushita Electric Ind Co Ltd ダイレクトコンバージョン受信機
JP3605949B2 (ja) * 1996-07-16 2004-12-22 ソニー株式会社 受信機
JPH10224249A (ja) 1997-02-06 1998-08-21 Mitsubishi Electric Corp 受信機
CN1126250C (zh) * 1997-04-07 2003-10-29 皇家菲利浦电子有限公司 包括多相位滤波器的接收机和滤波设备
US6016422A (en) * 1997-10-31 2000-01-18 Motorola, Inc. Method of and apparatus for generating radio frequency quadrature LO signals for direct conversion transceivers
US6118322A (en) * 1998-11-03 2000-09-12 Motorola, Inc. Method and apparatus for reducing even order distortion in differential circuits

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471665A (en) * 1994-10-18 1995-11-28 Motorola, Inc. Differential DC offset compensation circuit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO0051251A1 *
SHIMOZAWA M ET AL: "A monolithic even harmonic quadrature mixer using a balance type 90 degree phase shifter for direct conversion receivers", RADIO FREQUENCY INTEGRATED CIRCUITS (RFIC) SYMPOSIUM, 1998 IEEE BALTIMORE, MD, USA 7-9 JUNE 1998, NEW YORK, NY, USA,IEEE, US, 7 June 1998 (1998-06-07), pages 209 - 212, XP010285121, ISBN: 0-7803-4439-1 *

Also Published As

Publication number Publication date
US7054610B1 (en) 2006-05-30
JP3893245B2 (ja) 2007-03-14
CN1146122C (zh) 2004-04-14
CN1307752A (zh) 2001-08-08
WO2000051251A1 (fr) 2000-08-31
EP1081871A1 (de) 2001-03-07

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20001124

AK Designated contracting states

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Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB

A4 Supplementary search report drawn up and despatched

Effective date: 20040507

17Q First examination report despatched

Effective date: 20040827

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MITSUBISHI DENKI KABUSHIKI KAISHA

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20060724